Underlying Holdings: The performance of the underlying dividend-paying Canadian stocks dictates UDIV-B.TO's price.

Dividend Yields: Changes in dividend yields of constituent stocks influence investor demand and therefore the ETF price.

Interest Rates: Rising interest rates can make bonds more attractive, reducing the appeal of dividend ETFs like UDIV-B.TO.

Market Sentiment: General market optimism or pessimism affects overall demand for equities, including dividend ETFs.

Canadian Economy: The health of the Canadian economy impacts corporate profitability and dividend payouts, influencing ETF value.

ETF Demand/Supply: Increased buying pressure raises the price, while selling pressure lowers it, regardless of underlying assets.

Management Fees/Expenses: Higher fees can detract from returns, potentially impacting the ETF's perceived value and price.

Currency Fluctuations: Exchange rate changes between the Canadian dollar and other currencies (if holdings are globally exposed) can affect returns.

Sector Performance: The performance of sectors heavily represented in UDIV-B.TO (e.g., financials) significantly affects the ETF's price.

Inflation: High inflation can erode the real value of dividends, potentially making the ETF less attractive, impacting its price.